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5 Cards in this Set
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10-yo B w/ mobile, soft, & painlss mass over the PM knee. MRI--> simple cyst. What is nxt step Tx? 1 CT w/ IV contrast; 2 Bne scan; 3 Radical excision; 4 Arthroscopic resection; 5 Observation
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description mass (soft and non-tender, in the posterior knee) in a young patient suggests -->popliteal, or Baker’s, cyst. first-line treatment for most popliteal cysts. mass will transilluminatemass Ans 5
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2yo dx'd w/septc hip. no organsms. However, after 1 wk, offendg organsm recoverd aerobic bld cx medium. Which organisms most likely cause? 1Kingella kingae 2 Mycobacterium tubercls; 3 Mycobacterium avium 4 Neisseria 5 E-coli
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Mycobacterium TB ->Lowenstein Jensen (LJ) Medm; Mycobacterium avium-> Middlebrook m; Neisseria-> Thayer-Martin m; E-coli ->Luria Bertani m. stand & extnded bld cx-HACEK bac Haemophilus, Actinobacillus, Cardiobacterium, Eikenella, Kingella
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2yo B is eval a limp. Hx significant: L kn infctn Tx'd w/ IV Abx neonate & fam hx CA. Labs-nl ESR & CRP. w/u (-). AP pelvis Fig A. What etiology of condition? 1 Untx'd neonatal hip infcn; 2 Chondrosarc 3 Legg-Calve-Perthes dz 4. SCFE 5 Osarcoma
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neglected pedi septic hip. AP pelvis absent L fem hd 2^ untx'd infec. Failure dx-> lead jnt destrctn & physeal damg w/ defrmty. Surgi options: trochanteric osteotmy, prox fem vars osteotmy, mod Albee arthroplasy. monitorg until 9.Ans 1
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8do infant is admd back hospl septic arthritis hip. Which will be causative orgnsm by cx? 1-Grp B Strep; 2-Staph A; 3-Staph Epidermidis; 4-Haemophilus Influenzae; 5 Neisseria Gonnorhea
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neoonatal septc arthritis-MC Grp B Strep; neonates nosocomial septc arthritis-MC Staph A >Group B Strp 2^ invasive procedures- central lines & indwelling catheters. 0-2 yrs highest freq septic arthritis. 6mth- 5 yrs, staph.Ans1
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7 yo B limp R leg pn x 5ds & now pn w/ wb PE lethargic & chills. T- 38.4. points R inguinal region-> pn. winces w/ compression pelvis. wbc-11,400, CRP-9, ESR-55. pelvis xray Fig A. US aspirtn R hip jnt= 9,000 leukocytes . What is next step ?
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1. Further imaging of the pelvis
2. Open drainage and irrigation of the right hip joint 3. Repeat aspiration of the hip joint 4. Percutaneous screw fixation of the proximal femoral physis 5. Nonsteroidal antiinflamatory medications and observation |
